Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Em quais corridas o jóquei pesou menos que 55,5 kg?
 ###Tabelas: CREATE TABLE riff_awards (riff_awards_id AUTO_INCREMENT PRIMARY KEY, Year INT, Dates VARCHAR, Discovery of the Year (Golden Puffin) VARCHAR, Lifetime Achievement VARCHAR, Creative Excellency VARCHAR, Audience Award VARCHAR, FIPRESCI Award VARCHAR, Church of Iceland Award VARCHAR) CREATE TABLE media (media_id AUTO_INCREMENT PRIMARY KEY, Translator Call Letters VARCHAR, B Mountain Channel VARCHAR, Laurel Mountain Channel VARCHAR, PSIP VARCHAR, Station Call Letters VARCHAR, Network Affiliation ID VARCHAR, Original Channel VARCHAR, Signal Quality VARCHAR) CREATE TABLE norwegian_americans_by_state (norwegian_americans_by_state_id AUTO_INCREMENT PRIMARY KEY, State VARCHAR, Norwegian Americans (1980) INT, Percent (1980) VARCHAR, Norwegian Americans (1990) INT, Percent (1990) VARCHAR, Norwegian Americans (2000) INT, Percent (2000) VARCHAR, Norwegian Americans (2009) INT, Percent (2009) VARCHAR) CREATE TABLE race_record (race_record_id AUTO_INCREMENT PRIMARY KEY, Result VARCHAR, Date VARCHAR, Race VARCHAR, Venue VARCHAR, Group VARCHAR, Distance VARCHAR, Weight (kg) INT, Jockey VARCHAR, Winner/2nd VARCHAR) CREATE TABLE doubles_36_20–16 (doubles_36_20–16_id AUTO_INCREMENT PRIMARY KEY, Outcome VARCHAR, Date VARCHAR, Tournament VARCHAR, Surface VARCHAR, Partner VARCHAR, Opponents in the final VARCHAR, Score in the final VARCHAR)  
SELECT Race FROM race_record WHERE Weight (kg) < 55.5